<!DOCTYPE html>
<html>
  <head>
    <title></title>
    <style type="text/css">
      div {
        width: 200px;
        height: 150px;
        background-color: #eee;
        margin-top: 5px;
      }
      section {
        width: 200px;
        height: 30px;
        margin-bottom: 5px;
        background-color: #ff0;
      }
      div:nth-child(2) {
        background-color: red;
      }
      div:last-child section:last-child {
        background-color: #abcdef;
      }
    </style>
  </head>
  <body>
    <div>
      <section>one</section>
      <section>two</section>
    </div>
    <div></div>
    <div>
      <section>three</section>
      <section>four</section>
      <section>five</section>
      <section></section>
    </div>
  </body>
</html>
